<template>
<el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose" :collapse="isCollapse">
  <h3>通用管理后台</h3>
  <el-menu-item index="1" @click="clickMenu('/') ">
    <i class="el-icon-menu"></i>
    <span slot="title">首页</span>
  </el-menu-item>
  <el-sub-menu index="2">
    <template slot="title">
      <i class="el-icon-location"></i>
      <span slot="title">系统管理</span>
    </template>
    <el-menu-item-group>
      <span slot="title">管理用户</span>
      <el-menu-item index="1-1" @click="clickMenu('/usersview')">用户管理</el-menu-item>
      <el-menu-item index="1-2">选项2</el-menu-item>
    </el-menu-item-group>
    <el-menu-item-group title="分组2">
      <el-menu-item index="1-3">选项3</el-menu-item>
    </el-menu-item-group>
    <el-sub-menu index="1-4">
      <span slot="title">选项4</span>
      <el-menu-item index="1-4-1">选项1</el-menu-item>
    </el-sub-menu>
  </el-sub-menu>
  <el-menu-item index="3" disabled>
    <i class="el-icon-document"></i>
    <span slot="title">导航三</span>
  </el-menu-item>
  <el-menu-item index="4">
    <i class="el-icon-setting"></i>
    <span slot="title">导航四</span>
  </el-menu-item>
</el-menu>
</template>
<style lang="less" scoped>
  .el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 200px;
    min-height: 800px;
  }
  h3{
    width: 100%;
    background-color: #FF3E41;
    text-align: center;
    color: #ffffff;
    padding: 12px 7px;
  }
  .el-menu-item .is-active span{
    color: #FF3E41 !important;
  }
</style>

<script>
  export default {
    data() {
      return {
        isCollapse: false
      };
    },
    methods: {
      handleOpen(key, keyPath) {
        console.log(key, keyPath);
      },
      handleClose(key, keyPath) {
        console.log(key, keyPath);
      },
      clickMenu(item){
        this.$router.push({
          path: item
        })
      }
    }
  }
</script>
